MEDIUM
12th ICSE
IMPORTANT
Earn 100

Define boiling point and elevation of boiling point. Why does the boiling point of a liquid get elevated when a non-volatile solute is dissolved in it?

Important Questions on Solutions

MEDIUM
12th ICSE
IMPORTANT
If Tb, is the elevation of boiling point and m is the molality of solution, show that Tb=Kbm.
MEDIUM
12th ICSE
IMPORTANT
Define molal elevation constant. How is it related to the latent heat of vaporisation of the solvent? Does it depend upon the nature of solute ?
MEDIUM
12th ICSE
IMPORTANT
Show how the molecular mass of a solute can be determined on the basis of elevation of boiling point of the solution.
MEDIUM
12th ICSE
IMPORTANT
Show that elevation of boiling point is a colligative property.
MEDIUM
12th ICSE
IMPORTANT
Comment on the statement: Equimolal solutions of different non-volatile and non-electrolytic substances dissolved in the same solvent exhibit the same elevation of boiling point.
MEDIUM
12th ICSE
IMPORTANT
What do you understand by freezing point of a liquid? What happens to the freezing point of a liquid when a non-volatile solute is added to it?
MEDIUM
12th ICSE
IMPORTANT
Explain why the freezing point of a solvent gets lowered when a non-volatile solute is dissolved in it.
MEDIUM
12th ICSE
IMPORTANT
Define cryoscopic constant and mention its units.